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Finding the Fourth Proportional to 227,309.59, 340,978.04 and 69,539.41

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Solution

The fourth proportional to 227,309.59, 340,978.04 and 69,539.41 is: 104,313.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,309.59 : 340,978.04 = 69,539.41 : x
  2. Step 2: Convert to fraction form
    227,309.59/340,978.04 = 69,539.41/x
  3. Step 3: Cross multiply
    227,309.59x = 340,978.04 × 69,539.41
  4. Step 4: Simplify right side
    227,309.59x = 23,711,409,671.97
  5. Step 5: Solve for x
    x = 23,711,409,671.97/227,309.59
  6. Step 6: Final answer
    x = 104,313.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.